fix(activity-feed-v2): empty state when feed has only version rows

src/elements/content-sidebar/activity-feed-v2/ActivityFeedV2.tsx

@@ -214,7 +214,7 @@ const ActivityFeedV2 = ({
     }, [currentUserId, feedItems]);
 
     const filteredItems = React.useMemo(() => {
-        return transformedItems.filter(item => {
+        const filtered = transformedItems.filter(item => {
             if ((item.type === 'comment' || item.type === 'annotation') && item.isResolved && !showResolved) {
                 return false;
             }
@@ -240,6 +240,11 @@ const ActivityFeedV2 = ({
             }
             return true;
         });
+        const filtersDroppedItems = filtered.length < transformedItems.length;
+        if (!filtersDroppedItems && filtered.every(item => item.type === 'version')) {
+            return [];
+        }
+        return filtered;
     }, [currentUserId, showOnlyMentionsMe, showResolved, transformedItems]);
 
     React.useEffect(() => {

src/elements/content-sidebar/activity-feed-v2/__tests__/ActivityFeedV2.test.tsx

@@ -223,14 +223,39 @@ describe('elements/content-sidebar/activity-feed-v2/ActivityFeedV2', () => {
         expect(screen.getByTestId('task-task-1')).toBeVisible();
     });
 
-    test('should render version feed items', () => {
+    test('should render version feed items alongside other items', () => {
+        render(
+            <ActivityFeedV2
+                currentUser={mockCurrentUser}
+                feedItems={[mockComment, mockVersion] as ActivityFeedV2Props['feedItems']}
+            />,
+        );
+
+        expect(screen.getByTestId('version-version-1')).toBeVisible();
+    });
+
+    test('should suppress version-only feeds so the empty state can render', () => {
         render(
             <ActivityFeedV2
                 currentUser={mockCurrentUser}
                 feedItems={[mockVersion] as ActivityFeedV2Props['feedItems']}
             />,
         );
 
+        expect(screen.queryByTestId('version-version-1')).not.toBeInTheDocument();
+        expect(screen.getByTestId('activity-feed-list').children).toHaveLength(0);
+    });
+
+    test('should keep version rows when filters dropped other items', () => {
+        const resolvedComment = { ...mockComment, id: 'resolved-1', status: 'resolved' };
+        render(
+            <ActivityFeedV2
+                currentUser={mockCurrentUser}
+                feedItems={[resolvedComment, mockVersion] as ActivityFeedV2Props['feedItems']}
+            />,
+        );
+
+        expect(screen.queryByTestId('threaded-annotation-resolved-1')).not.toBeInTheDocument();
         expect(screen.getByTestId('version-version-1')).toBeVisible();
     });